Package org.apache.qpid.server.exchange

Examples of org.apache.qpid.server.exchange.Exchange

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        createAllQueues();
        createAllTopicQueues();

        //Register Non-Durable DirectExchange
        Exchange nonDurableExchange = createExchange(DirectExchange.TYPE, nonDurableExchangeName, false);
        bindAllQueuesToExchange(nonDurableExchange, directRouting);

        //Register DirectExchange
        Exchange directExchange = createExchange(DirectExchange.TYPE, directExchangeName, true);
        bindAllQueuesToExchange(directExchange, directRouting);

        //Register TopicExchange
        Exchange topicExchange = createExchange(TopicExchange.TYPE, topicExchangeName, true);
        bindAllTopicQueuesToExchange(topicExchange, topicRouting);

        //Send Message To NonDurable direct Exchange = persistent
        sendMessageOnExchange(nonDurableExchange, directRouting, true);
        // and non-persistent
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        assertEquals("Incorrect number of exchanges registered after first recovery",
                origExchangeCount + 1,  getVirtualHost().getExchanges().size());

        //test that removing the exchange means it is not recovered next time
        final Exchange exchange = getVirtualHost().getExchange(directExchangeName);
        DurableConfigurationStoreHelper.removeExchange(getVirtualHost().getDurableConfigurationStore(), exchange);

        reloadVirtualHost();

        assertEquals("Incorrect number of exchanges registered after second recovery",
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        createAllQueues();
        createAllTopicQueues();

        Map<String, Exchange> exchanges = createExchanges();

        Exchange nonDurableExchange = exchanges.get(nonDurableExchangeName);
        Exchange directExchange = exchanges.get(directExchangeName);
        Exchange topicExchange = exchanges.get(topicExchangeName);

        bindAllQueuesToExchange(nonDurableExchange, directRouting);
        bindAllQueuesToExchange(directExchange, directRouting);
        bindAllTopicQueuesToExchange(topicExchange, topicRouting);
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     * that following the second reload process it is not recovered.
     */
    public void testDurableBindingRemoval() throws Exception
    {
        //create durable queue and exchange, bind them
        Exchange exch = createExchange(DirectExchange.TYPE, directExchangeName, true);
        createQueue(durableQueueName, false, true, false, false);
        bindQueueToExchange(exch, directRouting, getVirtualHost().getQueue(durableQueueName), false);

        assertEquals("Incorrect number of bindings registered before recovery",
                1, getVirtualHost().getQueue(durableQueueName).getBindings().size());
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        return exchanges;
    }

    private Exchange createExchange(ExchangeType<?> type, String name, boolean durable)
    {
        Exchange exchange = null;

        try
        {
            exchange = getVirtualHost().createExchange(null, name, type.getType(), durable, false, null);
        }
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        if (queue == null)
        {
            throw body.getChannelException(AMQConstant.NOT_FOUND, "Queue " + queueName + " does not exist.");
        }
        final String exchangeName = body.getExchange() == null ? null : body.getExchange().toString();
        final Exchange exch = virtualHost.getExchange(exchangeName);
        if (exch == null)
        {
            throw body.getChannelException(AMQConstant.NOT_FOUND, "Exchange " + exchangeName + " does not exist.");
        }


        try
        {
            if (queue.isExclusive() && !queue.isDurable())
            {
                AMQSessionModel session = queue.getExclusiveOwningSession();
                if (session == null || session.getConnectionModel() != protocolConnection)
                {
                    throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
                                                      "Queue " + queue.getName() + " is exclusive, but not created on this Connection.");
                }
            }

            Map<String,Object> arguments = FieldTable.convertToMap(body.getArguments());
            String bindingKey = String.valueOf(routingKey);

            if (!exch.isBound(bindingKey, arguments, queue))
            {

                if(!exch.addBinding(bindingKey, queue, arguments) && TopicExchange.TYPE.equals(exch.getType()))
                {
                    Binding oldBinding = exch.getBinding(bindingKey, queue, arguments);

                    Map<String, Object> oldArgs = oldBinding.getArguments();
                    if((oldArgs == null && !arguments.isEmpty()) || (oldArgs != null && !oldArgs.equals(arguments)))
                    {
                        exch.replaceBinding(oldBinding.getId(), bindingKey, queue, arguments);
                    }
                }
            }
        }
        catch (AMQException e)
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        channel.sync();
        try
        {
            final String exchangeName = body.getExchange() == null ? null : body.getExchange().toString();

            final Exchange exchange = virtualHost.getExchange(exchangeName);
            if(exchange == null)
            {
                throw body.getChannelException(AMQConstant.NOT_FOUND, "No such exchange: " + body.getExchange());
            }
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        {
            exchangeName = AMQShortString.valueOf(ExchangeDefaults.DEFAULT_EXCHANGE_NAME);
        }

        VirtualHost vHost = session.getVirtualHost();
        Exchange exch = vHost.getExchange(exchangeName.toString());
        // if the exchange does not exist we raise a channel exception
        if (exch == null)
        {
            throw body.getChannelException(AMQConstant.NOT_FOUND, "Unknown exchange name");
        }
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        if (_logger.isDebugEnabled())
        {
            _logger.debug("Request to declare exchange of type " + body.getType() + " with name " + exchangeName);
        }

        Exchange exchange;

        if (body.getPassive())
        {
            exchange = virtualHost.getExchange(exchangeName == null ? null : exchangeName.toString());
            if(exchange == null)
            {
                throw body.getChannelException(AMQConstant.NOT_FOUND, "Unknown exchange: " + exchangeName);
            }
            else if (!(body.getType() == null || body.getType().length() ==0) && !exchange.getTypeName().equals(body.getType().asString()))
            {

                throw new AMQConnectionException(AMQConstant.NOT_ALLOWED, "Attempt to redeclare exchange: " +
                                  exchangeName + " of type " + exchange.getTypeName()
                                  + " to " + body.getType() +".",body.getClazz(), body.getMethod(),body.getMajor(),body.getMinor(),null);
            }

        }
        else
        {
            try
            {
                exchange = virtualHost.createExchange(null,
                                                      exchangeName == null ? null : exchangeName.intern().toString(),
                                                      body.getType() == null ? null : body.getType().intern().toString(),
                                                      body.getDurable(),
                                                      body.getAutoDelete(),
                        null);

            }
            catch(ReservedExchangeNameException e)
            {
                throw body.getConnectionException(AMQConstant.NOT_ALLOWED,
                                          "Attempt to declare exchange: " + exchangeName +
                                          " which begins with reserved prefix.");

            }
            catch(ExchangeExistsException e)
            {
                exchange = e.getExistingExchange();
                if(!new AMQShortString(exchange.getTypeName()).equals(body.getType()))
                {
                    throw new AMQConnectionException(AMQConstant.NOT_ALLOWED, "Attempt to redeclare exchange: "
                                                                              + exchangeName + " of type "
                                                                              + exchange.getTypeName()
                                                                              + " to " + body.getType() +".",
                                                     body.getClazz(), body.getMethod(),
                                                     body.getMajor(), body.getMinor(),null);
                }
            }
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        AMQShortString routingKey = body.getRoutingKey();
        if (exchangeName == null)
        {
            throw new AMQException("Exchange exchange must not be null");
        }
        Exchange exchange = virtualHost.getExchange(exchangeName.toString());
        ExchangeBoundOkBody response;
        if (exchange == null)
        {


            response = methodRegistry.createExchangeBoundOkBody(EXCHANGE_NOT_FOUND,
                                                                new AMQShortString("Exchange " + exchangeName + " not found"));
        }
        else if (routingKey == null)
        {
            if (queueName == null)
            {
                if (exchange.hasBindings())
                {
                    response = methodRegistry.createExchangeBoundOkBody(OK, null);
                }
                else
                {

                    response = methodRegistry.createExchangeBoundOkBody(NO_BINDINGS,  // replyCode
                        null);  // replyText
                }
            }
            else
            {

                AMQQueue queue = virtualHost.getQueue(queueName.toString());
                if (queue == null)
                {

                    response = methodRegistry.createExchangeBoundOkBody(QUEUE_NOT_FOUND,  // replyCode
                        new AMQShortString("Queue " + queueName + " not found"));  // replyText
                }
                else
                {
                    if (exchange.isBound(queue))
                    {

                        response = methodRegistry.createExchangeBoundOkBody(OK,  // replyCode
                            null);  // replyText
                    }
                    else
                    {

                        response = methodRegistry.createExchangeBoundOkBody(QUEUE_NOT_BOUND,  // replyCode
                            new AMQShortString("Queue " + queueName + " not bound to exchange " + exchangeName));  // replyText
                    }
                }
            }
        }
        else if (queueName != null)
        {
            AMQQueue queue = virtualHost.getQueue(queueName.toString());
            if (queue == null)
            {

                response = methodRegistry.createExchangeBoundOkBody(QUEUE_NOT_FOUND,  // replyCode
                    new AMQShortString("Queue " + queueName + " not found"));  // replyText
            }
            else
            {
                String bindingKey = body.getRoutingKey() == null ? null : body.getRoutingKey().asString();
                if (exchange.isBound(bindingKey, queue))
                {

                    response = methodRegistry.createExchangeBoundOkBody(OK,  // replyCode
                        null);  // replyText
                }
                else
                {

                    String message = "Queue " + queueName + " not bound with routing key " +
                                        body.getRoutingKey() + " to exchange " + exchangeName;

                    if(message.length()>255)
                    {
                        message = message.substring(0,254);
                    }
                    response = methodRegistry.createExchangeBoundOkBody(SPECIFIC_QUEUE_NOT_BOUND_WITH_RK,  // replyCode
                        new AMQShortString(message));  // replyText
                }
            }
        }
        else
        {
            if (exchange.isBound(body.getRoutingKey() == null ? "" : body.getRoutingKey().asString()))
            {

                response = methodRegistry.createExchangeBoundOkBody(OK,  // replyCode
                    null);  // replyText
            }
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